Marine Velvet, I can't believe its happening to me.

[jorjef]

Originally Posted by MarkoD

There has to be a good reason why large and public aquariums use uv sterilizers. Whats the disadvantage of using one? Because it'll kill Copepods?

No disadvantage, it's more for prevention not a cure. There won't be any harm to put it on now just don't expect great results for a cure.